Monitor Strategy

Related DTCs

P0171: Fuel trim Lean (bank 1) P0172: Fuel trim Rich (bank 1) P0174: Fuel trim Lean (bank 2) P0175: Fuel trim Rich (bank 2)

Required Sensors/Components (Main)

Fuel system

Required Sensors/Components (Related)

A/F sensor, Mass air flow meter, Crankshaft position sensor

Frequency of Operation



Within 10 seconds

MIL Operation

2 driving cycles

Sequence of Operation


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